Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
postal injection
Grammar usage guide and real-world examplesUSAGE SUMMARY
The term 'postal injection' is generally not used in written English.
It may be used informally, such as in a social media post, text message, or other casual communication. For example: I just took a "postal injection" of caffeine to get through this work day!.
⚠ May contain grammatical issues
News & Media
Science
Alternative expressions(4)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
2 human-written examples
It also ramped up a system called "postal injection," in which it uses prediction algorithms and complicated network analysis to figure out how to deliver every package to the United States postal facility nearest a customer's house.
News & Media
According to Deutsche, postal injection has allowed Amazon to slash the cost of the most expensive leg of shipping an item, the "last mile" from a warehouse to customers' homes.
News & Media
Human-verified similar examples from authoritative sources
Similar Expressions
58 human-written examples
NRS and Patients' Global Impression of Change (PGIC) data were collected 1 month after injection by postal questionnaire or telephone interview.
Science
The government notes that the injection of private capital into postal services seems to have worked elsewhere.
News & Media
Patients returning postal questionnaires report worse outcomes after facet injection.
Science
One month after the first treatment, patients who had received an imaging-guided therapeutic musculoskeletal injection returned a paper-based postal questionnaire which included information on their current pain level using the NRS scale.
Seventy-eight patients receiving lumbar facet joint injections who returned an outcomes questionnaire (responders) were age and gender matched with 78 patients who did not return the postal questionnaire (non-responders) after facet joint injections.
Science
To determine whether data obtained from patients returning postal questionnaires accurately reflect how patients receiving imaging-guided lumbar facet injections respond.
Science
The mean NRS scores of both postal responder and non-responder patients at 20-30 min and 1 month after injection were statistically significantly improved compared to their mean baseline scores.
Science
However, it is common for patients at this specialised orthopaedic/rheumatology hospital to present for subsequent injections and it was desired that the patients included in this study had only one injection during the data collection period so that more accurate comparisons between postal questionnaire and telephone interview methods of data collection could occur.
Science
At 1 day, 1 week and 1 month post injection the Patients Global Impression of Change scale answers were collected by postal questionnaire.
Expert writing Tips
Best practice
When discussing innovative delivery strategies, prioritize clarity and precision. Instead of using "postal injection", consider more descriptive terms like "mail delivery optimization" or "efficient postal logistics".
Common error
Avoid using "postal injection" in formal writing, as it lacks established meaning and could be misinterpreted. Opt for well-defined terms that accurately reflect the intended concept.
Source & Trust
89%
Authority and reliability
3.2/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "postal injection" functions as a noun phrase, referring to a specific method or strategy within postal services or delivery systems. Ludwig AI indicates its usage is infrequent in standard writing.
Frequent in
News & Media
50%
Science
50%
Encyclopedias
0%
Less common in
Formal & Business
0%
Wiki
0%
Reference
0%
Ludwig's WRAP-UP
In summary, "postal injection" is a rarely used phrase referring to specific delivery strategies, particularly in the context of Amazon's logistics, as pointed out by Ludwig AI. Its grammatical status is questionable, and clearer, more established terms such as "mail delivery optimization" or "efficient postal logistics" are generally preferred for formal writing. While sources like The New York Times have used the phrase, its uncommon nature suggests caution in its application. Given its infrequent and sometimes ambiguous usage, prioritizing clearer language is advisable.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
mail delivery optimization
Focuses on improving the efficiency of mail delivery services.
optimized mail routing
Highlights the process of finding the best routes for mail carriers.
efficient postal logistics
Emphasizes the efficiency of the logistical aspects of postal services.
targeted mail distribution
Refers to the specific targeting of mail to certain demographics or locations.
strategic postal placement
Underscores the strategic planning involved in postal service locations and operations.
enhanced mail service
Highlights improvements made to a mail service.
streamlined postal operations
Emphasizes making postal operations more efficient.
postal system enhancement
Focuses on improving the overall postal system.
mail service advancement
Highlights advancements in mail service technology or procedures.
advanced postal techniques
Refers to innovative techniques in postal management.
FAQs
What does "postal injection" mean in the context of Amazon's delivery system?
In the context of Amazon's delivery system, "postal injection" refers to a strategy where Amazon uses prediction algorithms to deliver packages to the United States postal facility nearest a customer's house, aiming to reduce shipping costs.
What are some alternative ways to describe "postal injection" in a business context?
In a business context, you can use alternatives like "mail delivery optimization", "efficient postal logistics", or "strategic postal placement" to describe strategies for improving mail services.
Is "postal injection" a widely recognized term in logistics or supply chain management?
No, "postal injection" is not a widely recognized term in logistics or supply chain management. It's more common to use terms like "mail delivery optimization" or "optimized mail routing".
How can I use "postal injection" correctly in a sentence?
Given its limited use, it's best to avoid "postal injection" in formal writing. If you choose to use it, ensure the context clearly indicates that you are referring to a specific delivery strategy like the one Amazon employs.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
89%
Authority and reliability
3.2/5
Expert rating
Real-world application tested